What is this product made of?

This radiator cap cover is machined from solid billet aluminum. This material choice makes it strong and lightweight, and it provides a clean, custom look for your engine bay.

Does this replace my radiator cap?

No, this is a decorative cover designed to fit over your existing GM radiator cap. It adds style without compromising the function of your cooling system.

Is this cover difficult to install?

Installation is straightforward as it simply slips over your existing radiator cap. The knurled grip helps make removal and reinstallation easier when needed.

Moroso GM Radiator Cap Cover - Knurled Grip - Billet Aluminum

Specifications

Brand: Moroso
Part #: 63803
UPC: 84663638039

Moroso GM Radiator Cap Cover - Knurled Grip - Billet Aluminum

Name: Moroso GM Radiator Cap Cover - Knurled Grip - Billet Aluminum
Brand: Moroso
Price: 56.33 USD
Availability: InStock

$56.33

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Fits over most GM radiator caps.
Constructed from solid billet aluminum for a strong, lightweight part.
Features a knurled grip for improved handling during removal and installation.
Adds a custom, clean appearance to the engine bay.
Part number 63803.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

Machined from solid billet aluminum, this Moroso radiator cap cover gives your GM engine bay a clean, custom look. The knurled grip makes it easy to remove and reinstall, which is handy if you need to check your coolant level or service the radiator cap itself. It's a simple way to dress up a frequently overlooked area of your engine compartment.

This cover is designed to fit over your existing GM radiator cap, adding a touch of style without replacing the functional cap. The billet aluminum construction means it's well-built and will hold up well. It's a popular choice for owners looking to add some personalized flair to their classic or performance GM vehicles.